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HelicopterMain Discussion › Best place to get high quality hexheads etc,,,,
11-22-2006 08:39 AM  11 years agoPost 1
OICU812

rrMaster

Edson, Alberta, Canada

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Well I have gotten hexheads etc from a few places in the past. Microfasteners.com as well as HexHeads.com. I have ran into a specific situation where I need some 3 x 16, 3 x 18, and 3 x 20mm heaxheads, but with the shoulder smooth part going on it for 75% of the length. Anyhow reason is that the bolts I have "threaded 100%" have an outer diameter of 2.86mm while the mainshaft hole is 3.06mm making slop in the setup which is leading to premature wear side to side on the mainshaft which,,, is not good at all imho. So I am looking for either a specialty store or where to look for such bolts etc. ANy help is appreciated, thx!!

...Once upon a time there were Nitros, flybars and frequency pins...

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11-22-2006 09:06 AM  11 years agoPost 2
Helinutnz

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below 42 South

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By longer bolts from mc master carr or rcfasteners.com and dremmel the ends off to the right size for you. Fit a 3 mm nut first before cutting the end off and the nut will clean the thread for you when you take it off. Thats all I do to get long shouldered bolts if I can't find the right ones.

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11-22-2006 09:41 AM  11 years agoPost 3
OICU812

rrMaster

Edson, Alberta, Canada

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Simple and effective idea, I guess a guy would only have to be carefull of the heat created to not weaken it in any way. Thx.

...Once upon a time there were Nitros, flybars and frequency pins...

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11-22-2006 10:04 AM  11 years agoPost 4
Helinutnz

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below 42 South

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You wont weaken the bolt where the main stresses are. They are 12:9 alloy steel bolts from either of the places mentioned. High quality hardened alloy constuction. The shank part will hold the shear strength without problems and the small amount of heat built up when cutting them wont hurt the tensile strength. Hold them in a metal vise by the portion to be cut off and the vise will absorb some of the heat.
Cheers

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HelicopterMain Discussion › Best place to get high quality hexheads etc,,,,
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